A quick check shows it available in Australia and New Zealand and at least one HB forum post says it will be in North America by year end. Like when Brewtan B first came out, it was available through Australian sources before it hit the U.S. homebrew market for some reason (less red tape, maybe?)

I am extremely pleased to let you know that Köln is now in the States and we are fulfilling orders as I write. It's been very much anticipated and I'm very excited about this! Feel free to contact me at eglass@lallemand.com with questions.

I don’t think I’ve read another yeast description with this statement: “Expression of a B-glucosidase enzyme gives this ale striain the ability to promote hop biotransformation...”.

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Sounds interesting. Not sure what it means though.

“Simply put, biotransformation is said to occur as a result of the interaction of hop oils and active yeast, leading to a transformation of certain terpenoids into terpenoids that weren’t originally present. A fascinating concept that many have posited may be responsible for the qualitative differences between New England and other styles of IPA.”

Basically when you hop in the fermenter (during active fermentation or after fermentation is complete) changes the results.